DSR-50/50P
4-145
4-146
HEAD PHONE
HP-117
HP-117 (HEAD PHONE) SCHEMATIC DIAGRAM
5.6
4.9
0
0
5.6
5
-4.9
-5.5
0
0
0
4.9
0
0
0
0
0
0
5
0
0
0
4.9
5
0.1
4.9
0
-1.1
0
0
0
-1.1
0
-0.7
-0.7
0
NO MARK:REC/PB MODE
12P
CN301
1
HP L
2
HP L GND
3
HP R
4
HP R GND
5
SW +6V
6
SW +6V
7
SW -6V
8
SW -6V
9
NC
10
VTR RET AUDIO
11
VTR RET AUDIO GND
12
GND
LM4880M
IC301
1
2
3
4
5
6
7
8
L88MS05T-FA-TL
IC302
1
2
3
4
5
NJU7211U50-TE1
IC303
1
2
3
NJU7201U50-TE1
IC304
1
2
3
NJM4556AM-A-TE2
IC305
1
2
3
4
5
6
7
8
UN2113-TX
Q301
RV301
20k/20k
10k
R301
22k
R302
22k
R303
10k
R304
35V
2.2u
C312
35V
2.2u
C314
16V
10u
C315
6.3V
100u
C316
6.3V
100u
C317
1u
C318
1k
R305
1k
R306
47k
R307
22k
R309
22k
R310
10k
R312
1u
C319
1u
C320
100
R313
FB301
FB302
47p
C322
47p
C321
2SC3326N-TE85L-AB
Q303
2SC3326N-TE85L-AB
Q302
470
R315
470
R314
CL301
CL302
CL303
CL304
CL305
CL307
CL309
CL308
MA3075W
A-(TX)
D301
MA3075W
A-(TX)
D302
J301
MA3075W
A-(TX)
D303
47
R316
47
R317
47
R318
47
R319
47
R320
47
R321
47
R322
47
R323
CL310
CL311
MA3075WA-(TX)
D304
MA3075WA-(TX)
D305
0
R324
0
R325
CL312
CL313
CL314
47p
C323
6.3V
100u
C324
6.3V
100u
C325
0
R330
XX
R331
4.7u
C326
4.7u
C327
4.7u
C328
4.7u
C329
4.7u
C330
4.7u
C331
1u
C332
6.3V
100u
C333
47k
R332
16V
10u
C334
6.3V
100u
C335
MA152WK-TX
D306
MA152WK-TX
D307
MA152WK-TX
D308
UN2113-TX
Q304
2SA811A-T1C17
Q305
1k
R333
4700
R334
270
R335
10k
R308
10k
R327
10k
R336
100k
R337
10k
R338
47p
C313
2SC3326N-TE85L-AB
Q306
2SC3326N-TE85L-AB
Q307
470
R311
470
R326
1k
R328
MA721WA-TX
D309
0
R329
0
R339
XX
R340
1
A
IC301
IC305
IC302
IC303
IC304
2
I
G
6
8
D
E
HP-117 BOARD
B
7
05
10
11
C
H
F
3
9
4
5
XX MARK:NO MOUNT
HEAD PHONE
-REF.NO.:40,000 SERIES-
PB
SIGNAL PATH
SIGNAL
AUDIO
PHONE
LEVEL
PHONES
CN601
VD-28 BOARD (11/15)
HP-135 HARNESS
(SEE PAGE 4-95)
THROUGH THE